Not a restaurant - does not serve food - please update your description - and opening hours - as you don’t open until 17:00 on Sat at least, according to the paper on your doors.
Old tavern in the middle of Bad Ragaz. You'll meet all the "archetypes of town", play tabletop soccer, listen to Schlager music from a jukebox and drink a specialty called "Kaffi Lutz". All in all a pretty old boozer but more suitable for locals.